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Title: ACROCHEMICAL AND NUTRIENT IMPACTS ON ESTUARIES AND OTHER AQUATIC SYSTEMS

Author
item Hapeman, Cathleen
item DIONIGI, CHRISTOPHER - USGS
item Zimba, Paul
item McConnell, Laura

Submitted to: Journal of Agricultural and Food Chemistry
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 4/27/2002
Publication Date: 8/1/2003
Citation: Cathleen J. Hapeman, Christopher P. Dionigi, Paul V. Zimba, Laura L. McConnell Agrochemical and nutrient impacts on estuaries and other aquatic systems. Submitted to Journal of Agriculture and Food Chemistry Accepted by Journal: 4/30/2002 Published: 50:4382-4384.

Interpretive Summary: This paper serves as the introduction and review of a series of papers and presentations from the Agrochemical and Nutrient Impacts on Estuaries Symposium held at the 220th American Chemical Society National Meeting. The symposium highlighted on-going research efforts in estuarine function and pollutant fate in these important ecosystems. The legislative and regulatory protections, such as the Clean Water Act and Total Maximum Daily Loads (TMDLs), were cursorily examined. Measurement of nutrient and pesticide loads and their ecotoxicological impacts were explored, as well as potential mitigation practices. The complexity and high visibility of estuarine ecosystem health will require continued examination in order to develop more effective agricultural and land management strategies and sound science-based regulations.

Technical Abstract: This paper summarizes the Agrochemical and Nutrient Impacts on Estuaries Symposium held at the 220th American Chemical Society National Meeting. The focus of the symposium was to highlight on-going research efforts to understand estuarine function and pollutant fate in these important ecosystems. Expanding urbanization and agricultural activity can result in increased particulate and chemical loads resulting in decreased light penetration and degraded aquatic habitats. The legislative and regulatory protections, such as the Clean Water Act and Total Maximum Daily Loads (TMDLs), are considered here. Measurement of nutrient and pesticide loads and their ecotoxicological impacts are explored, as well as potential mitigation practices. The complexity and high visibility of estuarine ecosystem health will require continued examination in order to develop more effective agricultural and land management strategies and sound science-based regulations.